Which set of traits best characterizes the amphibian class?

select one:

a. tetrapod, gills, moist skin, scales

b. tetrapod, lungs, moist skin, scales

c. tetrapod, gills, lungs, scales

d. tetrapod, gills, lungs, moist skin

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)

i think its through the fallopian tube